LSAT PRACTICE QUESTIONS
LOGICAL REASONING:
DENIAL TEST
Naturalist: The recent claims that the Tasmanian tiger is not extinct are false. The Tasmanian
tiger's natural habitat was taken over by sheep farming decades ago, resulting in the animal's
systematic elimination from the area. Since then naturalists working in the region have
discovered no hard evidence of its survival, such as carcasses or tracks. In spite of alleged
sightings of the animal, the Tasmanian tiger no longer exists.
Which one of the following is an assumption on which the naturalist's argument depends?
A) Sheep farming drove the last Tasmanian tigers to starvation by chasing them from their
natural habitat.
B)Some scavengers in Tasmania are capable of destroying tiger carcasses without a trace.
C)Every naturalist working in the Tasmanian tiger's natural habitat has looked systematically for
evidence of the tiger's survival.
D)The Tasmanian tiger did not move and a - ANS-D)The Tasmanian tiger did not move and
adapt to a different region in response to the loss of habitat.
LOGICAL REASONING:
DENIAL TEST
On a certain day, nine scheduled flights on Swift Airlines were canceled. Ordinarily, a
cancellation is due to mechanical problems with the airplane scheduled for a certain flight.
However, since it is unlikely that Swift would have the mechanical problems with more than one
or two scheduled flights on a single day, some of the nine cancellations were probably due to
something else.
The argument depends on which one of the following assumptions?
(A) More than one or two airplanes were scheduled for the nine canceled flights.
(B) Swift Airlines has fewer mechanical problems than do other airlines of the same size.
(C) Each of the canceled flights would have been longer than the average flight on Swift
Airlines.
, (D) Swift Airlines had never before canceled more than one or two scheduled flights on a single
day.
(E) All of the airplanes scheduled for the canceled flights are base - ANS-(A) More than one or
two airplanes were scheduled for the nine canceled flights.
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
All material bodies are divisible into parts, and everything divisible is imperfect. It follows rgar
akk material bodies are imperfect.It likewise follows that the spirit is not a material body.
The final conclusion above follows logically if which one of the following is assumed?
a) Everything divisible is a material body.
b) Nothing imperfect is indivisible.
c) The spirit is divisible.
d) The spirit is perfect.
e) The spirit is either indivisible or imperfect. - ANS-d) The spirit is perfect.
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
No chordates are tracheophytes, and all members of Pteropsida are tracheophytes. So no
members of Pteropsida belong to the family Hominidae.
The conclusion above follows logically if which one of the following is assumed?
(a) All members of the family Hominidae are tracheophytes
(b) All members of the family Hominidae are chordates
(c) All tracheophytes are members of Pteropsida
(d) No members of the family Hominidae are chordates
(e) No chordates are members of Pteropsida - ANS-(b) All members of the family Hominidae are
chordates
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
Obviously, we cannot in any real sense mistreat plants. Plants do not have nervous systems,
and having a nervous system is necessary to experience pain.
The conclusion above follows logically if which one of the following is assumed?
LOGICAL REASONING:
DENIAL TEST
Naturalist: The recent claims that the Tasmanian tiger is not extinct are false. The Tasmanian
tiger's natural habitat was taken over by sheep farming decades ago, resulting in the animal's
systematic elimination from the area. Since then naturalists working in the region have
discovered no hard evidence of its survival, such as carcasses or tracks. In spite of alleged
sightings of the animal, the Tasmanian tiger no longer exists.
Which one of the following is an assumption on which the naturalist's argument depends?
A) Sheep farming drove the last Tasmanian tigers to starvation by chasing them from their
natural habitat.
B)Some scavengers in Tasmania are capable of destroying tiger carcasses without a trace.
C)Every naturalist working in the Tasmanian tiger's natural habitat has looked systematically for
evidence of the tiger's survival.
D)The Tasmanian tiger did not move and a - ANS-D)The Tasmanian tiger did not move and
adapt to a different region in response to the loss of habitat.
LOGICAL REASONING:
DENIAL TEST
On a certain day, nine scheduled flights on Swift Airlines were canceled. Ordinarily, a
cancellation is due to mechanical problems with the airplane scheduled for a certain flight.
However, since it is unlikely that Swift would have the mechanical problems with more than one
or two scheduled flights on a single day, some of the nine cancellations were probably due to
something else.
The argument depends on which one of the following assumptions?
(A) More than one or two airplanes were scheduled for the nine canceled flights.
(B) Swift Airlines has fewer mechanical problems than do other airlines of the same size.
(C) Each of the canceled flights would have been longer than the average flight on Swift
Airlines.
, (D) Swift Airlines had never before canceled more than one or two scheduled flights on a single
day.
(E) All of the airplanes scheduled for the canceled flights are base - ANS-(A) More than one or
two airplanes were scheduled for the nine canceled flights.
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
All material bodies are divisible into parts, and everything divisible is imperfect. It follows rgar
akk material bodies are imperfect.It likewise follows that the spirit is not a material body.
The final conclusion above follows logically if which one of the following is assumed?
a) Everything divisible is a material body.
b) Nothing imperfect is indivisible.
c) The spirit is divisible.
d) The spirit is perfect.
e) The spirit is either indivisible or imperfect. - ANS-d) The spirit is perfect.
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
No chordates are tracheophytes, and all members of Pteropsida are tracheophytes. So no
members of Pteropsida belong to the family Hominidae.
The conclusion above follows logically if which one of the following is assumed?
(a) All members of the family Hominidae are tracheophytes
(b) All members of the family Hominidae are chordates
(c) All tracheophytes are members of Pteropsida
(d) No members of the family Hominidae are chordates
(e) No chordates are members of Pteropsida - ANS-(b) All members of the family Hominidae are
chordates
LOGICAL REASONING:
IDENTIFYING CENTRAL ASSUMPTION
Obviously, we cannot in any real sense mistreat plants. Plants do not have nervous systems,
and having a nervous system is necessary to experience pain.
The conclusion above follows logically if which one of the following is assumed?
